Pith Number

pith:UPIORUYH

pith:2026:UPIORUYH2NNZSZ5DMIEALMEXRP

not attested not anchored not stored refs pending

Mirror-Symmetry-Enforced Photonic Altermagnet

Chong Cao, Haiyu Meng, Xiong-Xiong Xue, Yee Sin Ang

arxiv:2606.21545 v1 · 2026-06-19 · physics.optics · cond-mat.mtrl-sci · physics.app-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UPIORUYH2NNZSZ5DMIEALMEXRP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-06-23T01:13:14.256599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3d0e8d307d35b9967a3620805b0978bf3e837dccfce1e51167c18eaffd6b7c8

Aliases

arxiv: 2606.21545 · arxiv_version: 2606.21545v1 · doi: 10.48550/arxiv.2606.21545 · pith_short_12: UPIORUYH2NNZ · pith_short_16: UPIORUYH2NNZSZ5D · pith_short_8: UPIORUYH

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UPIORUYH2NNZSZ5DMIEALMEXRP \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a3d0e8d307d35b9967a3620805b0978bf3e837dccfce1e51167c18eaffd6b7c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a1b4554abaa3acb481ad2ab1f64542350a92835e4518e58ff32692e8c38205a",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-06-19T15:42:18Z",
    "title_canon_sha256": "1454c70c409afafc7b43d583f96571aa23386193cf4db2f2bc16bcb7409c4484"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21545",
    "kind": "arxiv",
    "version": 1
  }
}